Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9TMT callsign genealogy
Currently held by ARMONAITIS, ARVYDAS
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KB9TMT's current licensee, walking backwards.
- TOCZEK, MARIUSZILgranted 2025-06-05cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held KB9TMT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9TMT, oldest first.
- TOCZEK, MARIUSZ IL2025-12-09 active
- ARMONAITIS, ARVYDAS— → cancelled 1998-12-15